___ is the most useful invention?
#32091
A
Do you think which of these
B
Which of these you know
C
Which of these do you know
D
You know which of these
推荐题目
Words don’t have the power to hurt you, _______ the person who said them means a lot to you.
#30903
A
if
B
unless
C
until
D
whether
________one scientist has pointed out, children’s skulls are not fully developed.
#34231
A
That
B
As
C
Which
D
What
Progress so far has been very good. ______, we are sure that the project will be completed on time.
#31975
A
However
B
Otherwise
C
Therefore
D
Besides
He always brings me a pretty gift _______ he comes to visit me.
#31897
A
by the time
B
every time
C
sometimes
D
at times
you are so eager to join the school basketball team, why not try out for it?
#31231
A
While
B
Now that
C
Though
D
Unless